The phrase "more whole-hog" suggests an all-encompassing, thorough approach to something. Antonyms for this phrase might include "partially," "incompletely," or "halfheartedly," which suggest a lack of thoroughness or commitment. Other antonyms might include "incremental," "gradual," or "conservative," which suggest a more cautious or measured approach. Additionally, words like "selective," "discerning," or "discreet" might suggest a more targeted or specific approach. Ultimately, the opposite of "more whole-hog" depends on the context and the specific connotations of the phrase in question.